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做系统转换时，制动手要永远握著绳子！
When changing hands, always have one hand on the dead rope throughout the changeover!
youdao
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他戴了一个面具，可是那制动手清清楚楚地认出了他是谁。
He wore a kind of mask, but the brake man recognized him positively.
youdao
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他戴了一个面具，可是那制动手清清楚楚地认出了他是谁。
He wore a kind of mask, but the brake man recognized him positively.
youdao